the meeting has been on ___ ___ ___ ___ ___ ___.

问题描述:

the meeting has been on ___ ___ ___ ___ ___ ___.
六个空
中文意思是会议已经召开了四个半小时
还有
My plane to New York ____ very early tomorrow morning.
A.reaches B.comes C.leaves D.lands

for four and a half hours
c